>Cplex produces an error message when you try and get the number of nodes >after an lp_probe. >Any ideas why this is so? It was a problem with when we got the information from CPlex/XPRESS. We fixed the problem by now getting the information from CPlex/XPRESS immediately after calling the optimiser, so that it would still be available if the CPlex state is destroyed (as it is after a call to lp_probe, which restores the original problem and thus destroys the `probe' state). The fix should appear in the next Patch build. Cheers, KishReceived on Tue Jan 29 17:06:14 2002
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